Pressing skip
I’d add:
Last option but better for an easy migration: linuxfx.org
Snaps, flatpck and app images, everything works ok usually on Ubuntu (if you have plenty of drive to store them all)
They should offer fydeOS too
Chroot and fix broken packages, you can try apt or aptitude. Chroot: boot from live and mount the hard disk
Kubuntu, the best of the two worlds: all Ubuntu repos + KDE (sweet DE for kids)
24.10 for better Wayland support.
Appimages for software, then winegui could be enough for gaming
Timekpr-next for screen-time management